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5.Molecular Basis of Inheritance
medium
In the lactose operon of Escherichia coli, what is the function of promoter
A
Binding of Gyrase enzyme
B
Binding of $RNA$ polymerase
C
Codes for $RNA$ polymerase
D
Processing of messenger $RNA$
Solution
(b)Promoter gene $(p)$ is the actual site of start of transcription and it is the site where $RNA$ polymerase binds to the $DNA$ prior to beginning of transcription.
Standard 12
Biology
